#ifndef _statistics_h_INCLUDED
#define _statistics_h_INCLUDED

#include <stdbool.h>
#include <stdint.h>

#define STATISTICS                                                                                                     \
                                                                                                                       \
	METRIC(allocated_collected, 2, PCNT_RESIDENT_SET, "%", "resident set")                                             \
	METRIC(allocated_current, 2, PCNT_RESIDENT_SET, "%", "resident set")                                               \
	METRIC(allocated_max, 2, PCNT_RESIDENT_SET, "%", "resident set")                                                   \
	METRIC(ands_eliminated, 1, PCNT_ELIMINATED, "%", "eliminated")                                                     \
	METRIC(arena_enlarged, 1, PCNT_ARENA_RESIZED, "%", "resize")                                                       \
	METRIC(arena_garbage, 1, PCNT_RESIDENT_SET, "%", "resident set")                                                   \
	METRIC(arena_resized, 1, CONF_INT, "", "interval")                                                                 \
	METRIC(arena_shrunken, 1, PCNT_ARENA_RESIZED, "%", "resize")                                                       \
	STATISTIC(autarky, 1, PCNT_VARIABLES, "%", "variables")                                                            \
	METRIC(autarky_determined, 1, CONF_INT, "", "interval")                                                            \
	METRIC(backward_strengthened, 1, PCNT_STR, "%", "strengthened")                                                    \
	METRIC(backward_subsumed, 1, PCNT_SUB, "%", "subsumed")                                                            \
	METRIC(chronological, 1, PCNT_CONFLICTS, "%", "conflicts")                                                         \
	METRIC(chronological_reused_trails, 1, PCNT_CONFLICTS, "%", "conflicts")                                           \
	METRIC(clauses_added, 2, PCNT_CLS_ADDED, "%", "added")                                                             \
	METRIC(clauses_deleted, 2, PCNT_CLS_ADDED, "%", "added")                                                           \
	METRIC(clauses_improved, 2, PCNT_CLS_ADDED, "%", "added")                                                          \
	COUNTER(clauses_irredundant, 2, NO_SECONDARY, 0, 0)                                                                \
	METRIC(clauses_kept2, 2, PCNT_CLS_ADDED, "%", "added")                                                             \
	METRIC(clauses_kept3, 2, PCNT_CLS_ADDED, "%", "added")                                                             \
	METRIC(clauses_original, 2, PCNT_CLS_ADDED, "%", "added")                                                          \
	METRIC(clauses_promoted1, 2, PCNT_CLS_ADDED, "%", "added")                                                         \
	METRIC(clauses_promoted2, 2, PCNT_CLS_ADDED, "%", "added")                                                         \
	METRIC(clauses_reduced, 2, PCNT_CLS_ADDED, "%", "added")                                                           \
	COUNTER(clauses_redundant, 2, NO_SECONDARY, 0, 0)                                                                  \
	METRIC(compacted, 1, PCNT_REDUCTIONS, "%", "reductions")                                                           \
	COUNTER(conflicts, 0, PER_SECOND, 0, "per second")                                                                 \
	COUNTER(decisions, 0, PER_CONFLICT, 0, "per conflict")                                                             \
	METRIC(defragmentations, 1, CONF_INT, "", "interval")                                                              \
	METRIC(dense_garbage_collections, 2, PCNT_COLLECTIONS, "%", "collections")                                         \
	METRIC(dense_propagations, 1, PCNT_PROPS, "%", "propagations")                                                     \
	METRIC(dense_ticks, 1, PCNT_TICKS, "%", "ticks")                                                                   \
	METRIC(duplicated, 1, PCNT_CLS_ADDED, "%", "added")                                                                \
	METRIC(eager_subsumed, 1, PCNT_SUB, "%", "subsumed")                                                               \
	STATISTIC(eliminated, 1, PCNT_VARIABLES, "%", "variables")                                                         \
	COUNTER(eliminations, 2, CONF_INT, "", "interval")                                                                 \
	METRIC(equivalences_eliminated, 1, PCNT_ELIMINATED, "%", "eliminated")                                             \
	METRIC(extensions, 1, PCNT_SEARCHES, "%", "searches")                                                              \
	METRIC(failed, 2, PCNT_VARIABLES, "%", "variables")                                                                \
	METRIC(failed_literal_probings, 1, CONF_INT, "", "interval")                                                       \
	STATISTIC(flipped, 1, PER_WALKS, 0, "per walk")                                                                    \
	METRIC(focused_modes, 1, CONF_INT, "", "interval")                                                                 \
	METRIC(focused_propagations, 1, PCNT_PROPS, "%", "propagations")                                                   \
	METRIC(focused_ticks, 1, PCNT_TICKS, "%", "ticks")                                                                 \
	METRIC(forward_strengthened, 1, PCNT_STR, "%", "strengthened")                                                     \
	METRIC(forward_subsumed, 1, PCNT_SUB, "%", "subsumed")                                                             \
	METRIC(forward_subsumptions, 1, CONF_INT, "", "interval")                                                          \
	METRIC(garbage_collections, 2, CONF_INT, "", "interval")                                                           \
	STATISTIC(gates, 1, PCNT_ELIMINATED, "%", "eliminated")                                                            \
	METRIC(hyper_binaries, 2, PCNT_REDUNDANT_CLAUSES, "%", "redundant")                                                \
	METRIC(hyper_binary_resolved, 1, NO_SECONDARY, 0, 0)                                                               \
	METRIC(hyper_ternaries, 2, PCNT_REDUNDANT_CLAUSES, "%", "redundant")                                               \
	METRIC(hyper_ternary2_resolved, 2, PCNT_TRN_RESOLVED, "%", "resolved")                                             \
	METRIC(hyper_ternary3_resolved, 2, PCNT_TRN_RESOLVED, "%", "resolved")                                             \
	METRIC(hyper_ternary_phases, 1, CONF_INT, "", "interval")                                                          \
	METRIC(hyper_ternary_resolutions, 2, PCNT_TRN_RESOLVED, "", "per resolved")                                        \
	METRIC(hyper_ternary_resolved, 1, NO_SECONDARY, 0, 0)                                                              \
	COUNTER(hyper_ternary_steps, 2, PER_TRN_RESOLVED, 0, "resolved")                                                   \
	METRIC(if_then_else_eliminated, 1, PCNT_ELIMINATED, "%", "eliminated")                                             \
	METRIC(initial_decisions, 1, PCNT_DECISIONS, "%", "decisions")                                                     \
	STATISTIC(learned, 1, PCNT_CONFLICTS, "%", "conflicts")                                                            \
	METRIC(literals_deduced, 2, PER_CLS_LEARNED, 0, "per clause")                                                      \
	METRIC(literals_flushed, 2, PER_FIXED, 0, "per fixed")                                                             \
	METRIC(literals_learned, 2, PER_CLS_LEARNED, 0, "per clause")                                                      \
	METRIC(minimized, 1, PCNT_LITERALS_DEDUCED, "%", "deduced")                                                        \
	METRIC(moved, 1, PCNT_REDUCTIONS, "%", "reductions")                                                               \
	METRIC(on_the_fly_strengthened, 1, PCNT_CONFLICTS, "%", "of conflicts")                                            \
	METRIC(on_the_fly_subsumed, 1, PCNT_CONFLICTS, "%", "of conflicts")                                                \
	METRIC(probing_propagations, 1, PCNT_PROPS, "%", "propagations")                                                   \
	COUNTER(probings, 2, CONF_INT, "", "interval")                                                                     \
	COUNTER(probing_ticks, 2, PCNT_TICKS, "%", "ticks")                                                                \
	COUNTER(propagations, 0, PER_SECOND, "", "per second")                                                             \
	COUNTER(reductions, 1, CONF_INT, "", "interval")                                                                   \
	COUNTER(rephased, 1, CONF_INT, "", "interval")                                                                     \
	METRIC(rescaled, 2, CONF_INT, "", "interval")                                                                      \
	COUNTER(resolutions, 2, PER_SECOND, 0, "per second")                                                               \
	COUNTER(restarts, 1, CONF_INT, 0, "interval")                                                                      \
	METRIC(restarts_reused_trails, 1, PCNT_RESTARTS, "%", "restarts")                                                  \
	METRIC(reused_levels, 2, PER_REUSED_TRAIL, 0, "per reused")                                                        \
	METRIC(saved_decisions, 0, PCNT_DECISIONS, "%", "decisions")                                                       \
	COUNTER(searches, 2, CONF_INT, "", "interval")                                                                     \
	METRIC(search_propagations, 2, PCNT_PROPS, "%", "propagations")                                                    \
	COUNTER(search_ticks, 2, PCNT_TICKS, "%", "ticks")                                                                 \
	METRIC(sparse_garbage_collections, 2, PCNT_COLLECTIONS, "%", "collections")                                        \
	COUNTER(stable_modes, 2, CONF_INT, "", "interval")                                                                 \
	METRIC(stable_propagations, 1, PCNT_PROPS, "%", "propagations")                                                    \
	METRIC(stable_ticks, 2, PCNT_TICKS, "%", "ticks")                                                                  \
	METRIC(strengthened, 1, PCNT_SUBSUMPTION_CHECK, "%", "checks")                                                     \
	STATISTIC(substituted, 1, PCNT_VARIABLES, "%", "variables")                                                        \
	STATISTIC(substitutions, 2, CONF_INT, "", "interval")                                                              \
	METRIC(subsumed, 1, PCNT_SUBSUMPTION_CHECK, "%", "checks")                                                         \
	COUNTER(subsumption_checks, 2, NO_SECONDARY, 0, 0)                                                                 \
	STATISTIC(switched_modes, 2, CONF_INT, "", "interval")                                                             \
	METRIC(target_decisions, 1, PCNT_DECISIONS, "%", "decisions")                                                      \
	STATISTIC(ticks, 2, PER_PROPAGATION, 0, "per prop")                                                                \
	METRIC(transitive_propagations, 2, PCNT_PROPS, "%", "propagations")                                                \
	METRIC(transitive_reduced, 1, PCNT_CLS_ADDED, "%", "added")                                                        \
	COUNTER(transitive_ticks, 2, PCNT_TICKS, "%", "ticks")                                                             \
	COUNTER(units, 2, PCNT_VARIABLES, "%", "variables")                                                                \
	COUNTER(variables_added, 2, PER_VARIABLE, 0, "per variable")                                                       \
	COUNTER(variables_removed, 2, PER_VARIABLE, 0, "variables")                                                        \
	METRIC(vectors_defrags_needed, 1, PCNT_DEFRAGS, "%", "defrags")                                                    \
	METRIC(vectors_enlarged, 2, CONF_INT, "", "interval")                                                              \
	STATISTIC(vivification_checks, 2, NO_SECONDARY, 0, 0)                                                              \
	METRIC(vivified, 1, PCNT_VIVIFICATION_CHECK, "%", "checks")                                                        \
	METRIC(vivify_assumed, 1, PCNT_VIVIFY_PROBES, "%", "probes")                                                       \
	METRIC(vivify_implied, 1, PCNT_VIVIFIED, "%", "vivified")                                                          \
	METRIC(vivify_irredundant, 1, PCNT_VIVIFIED, "%", "vivified")                                                      \
	METRIC(vivify_probes, 1, PER_VIVIFICATION_CHECK, "", "checks")                                                     \
	METRIC(vivify_redundant, 1, PCNT_VIVIFIED, "%", "vivified")                                                        \
	METRIC(vivify_reused, 1, PCNT_VIVIFY_PROBES, "%", "probes")                                                        \
	METRIC(vivify_strengthened, 1, PCNT_STR, "%", "strengthened")                                                      \
	METRIC(vivify_str_irr, 1, PCNT_VIVIFY_STR, "%", "strengthened")                                                    \
	METRIC(vivify_str_red, 1, PCNT_VIVIFY_STR, "%", "strengthened")                                                    \
	METRIC(vivify_sub_irr, 1, PCNT_VIVIFY_SUB, "%", "subsumed")                                                        \
	METRIC(vivify_sub_red, 1, PCNT_VIVIFY_SUB, "%", "subsumed")                                                        \
	METRIC(vivify_subsumed, 1, PCNT_SUB, "%", "subsumed")                                                              \
	METRIC(walk_improved, 1, PCNT_WALKS, "%", "walks")                                                                 \
	STATISTIC(walks, 1, CONF_INT, "", "interval")                                                                      \
	COUNTER(walk_steps, 2, PER_FLIPPED, 0, "per flipped")                                                              \
	METRIC(weakened, 1, PCNT_CLS_ADDED, "%", "added")                                                                  \
	METRIC(xors_eliminated, 0, PCNT_ELIMINATED, "%", "eliminated")

/*------------------------------------------------------------------------*/
#ifdef NSTATISTICS

#define METRIC IGNORE
#define STATISTIC IGNORE

#elif NMETRICS

#define METRIC IGNORE
#define STATISTIC COUNTER

#else

#define METRIC COUNTER
#define STATISTIC COUNTER

#endif
/*------------------------------------------------------------------------*/
// *INDENT-OFF*

typedef struct statistics statistics;

struct statistics
{
#define COUNTER(NAME, VERBOSE, OTHER, UNITS, TYPE) uint64_t NAME;
#define IGNORE(...)

	STATISTICS

#undef COUNTER
#undef IGNORE
};

// *INDENT-ON*
/*------------------------------------------------------------------------*/

#define CLAUSES (IRREDUNDANT_CLAUSES + REDUNDANT_CLAUSES)
#define CONFLICTS (solver->statistics.conflicts)
#define IRREDUNDANT_CLAUSES (solver->statistics.clauses_irredundant)
#define LEARNED_CLAUSES (solver->statistics.learned)
#define REDUNDANT_CLAUSES (solver->statistics.clauses_redundant)

/*------------------------------------------------------------------------*/

#define COUNTER(NAME, VERBOSE, OTHER, UNITS, TYPE)                                                                     \
                                                                                                                       \
	static inline void kissat_mab_inc_##NAME(statistics* statistics)                                                   \
	{                                                                                                                  \
		assert(statistics->NAME < UINT64_MAX);                                                                         \
		statistics->NAME++;                                                                                            \
	}                                                                                                                  \
                                                                                                                       \
	static inline void kissat_mab_dec_##NAME(statistics* statistics)                                                   \
	{                                                                                                                  \
		assert(statistics->NAME);                                                                                      \
		statistics->NAME--;                                                                                            \
	}                                                                                                                  \
                                                                                                                       \
	static inline void kissat_mab_add_##NAME(statistics* statistics, uint64_t n)                                       \
	{                                                                                                                  \
		assert(UINT64_MAX - n >= statistics->NAME);                                                                    \
		statistics->NAME += n;                                                                                         \
	}                                                                                                                  \
                                                                                                                       \
	static inline void kissat_mab_sub_##NAME(statistics* statistics, uint64_t n)                                       \
	{                                                                                                                  \
		assert(n <= statistics->NAME);                                                                                 \
		statistics->NAME -= n;                                                                                         \
	}                                                                                                                  \
                                                                                                                       \
	static inline uint64_t kissat_mab_get_##NAME(statistics* statistics)                                               \
	{                                                                                                                  \
		return statistics->NAME;                                                                                       \
	}

/*------------------------------------------------------------------------*/

#define IGNORE(NAME, VERBOSE, OTHER, UNITS, TYPE)                                                                      \
                                                                                                                       \
	static inline void kissat_mab_inc_##NAME(statistics* statistics)                                                   \
	{                                                                                                                  \
		(void)statistics;                                                                                              \
	}                                                                                                                  \
                                                                                                                       \
	static inline void kissat_mab_dec_##NAME(statistics* statistics)                                                   \
	{                                                                                                                  \
		(void)statistics;                                                                                              \
	}                                                                                                                  \
                                                                                                                       \
	static inline void kissat_mab_add_##NAME(statistics* statistics, uint64_t n)                                       \
	{                                                                                                                  \
		(void)statistics;                                                                                              \
		(void)n;                                                                                                       \
	}                                                                                                                  \
                                                                                                                       \
	static inline void kissat_mab_sub_##NAME(statistics* statistics, uint64_t n)                                       \
	{                                                                                                                  \
		(void)statistics;                                                                                              \
		(void)n;                                                                                                       \
	}                                                                                                                  \
	static inline uint64_t kissat_mab_get_##NAME(statistics* statistics)                                               \
	{                                                                                                                  \
		(void)statistics;                                                                                              \
		return UINT64_MAX;                                                                                             \
	}

/*------------------------------------------------------------------------*/
// *INDENT-OFF*

STATISTICS

#undef COUNTER
#undef IGNORE

// *INDENT-ON*
/*------------------------------------------------------------------------*/

#define INC(NAME) kissat_mab_inc_##NAME(&solver->statistics)
#define DEC(NAME) kissat_mab_dec_##NAME(&solver->statistics)
#define ADD(NAME, N) kissat_mab_add_##NAME(&solver->statistics, (N))
#define SUB(NAME, N) kissat_mab_sub_##NAME(&solver->statistics, (N))
#define GET(NAME) kissat_mab_get_##NAME(&solver->statistics)

/*------------------------------------------------------------------------*/
#ifndef QUIET

struct kissat;

void
kissat_mab_statistics_print(struct kissat*, bool verbose);

// Format widths of individual parts during printing statistics lines.
// Shared between 'statistics.c' and 'resources.c' to align the printing.

#define SFW1 "28"
#define SFW2 "14"
#define SFW3 "5"
#define SFW4 "10"

#define SFW34 "16"		   // SFE3 + space + SFE 4
#define SFW34EXTENDED "19" // SFE3 + space + SFE 4 + ".2"

#define PRINT_STAT(NAME, PRIMARY, SECONDARY, UNITS, TYPE)                                                              \
	do {                                                                                                               \
		printf("c %-" SFW1 "s %" SFW2 PRIu64 " ", NAME ":", (uint64_t)PRIMARY);                                        \
		const double SAVED_SECONDARY = (double)(SECONDARY);                                                            \
		const char* SAVED_UNITS = (const char*)(UNITS);                                                                \
		const char* SAVED_TYPE = (const char*)(TYPE);                                                                  \
		if (SAVED_TYPE && SAVED_SECONDARY >= 0) {                                                                      \
			if (SAVED_UNITS)                                                                                           \
				printf("%" SFW34 ".0f %-2s", SAVED_SECONDARY, SAVED_UNITS);                                            \
			else                                                                                                       \
				printf("%" SFW34EXTENDED ".2f", SAVED_SECONDARY);                                                      \
			fputc(' ', stdout);                                                                                        \
			fputs(SAVED_TYPE, stdout);                                                                                 \
		}                                                                                                              \
		fputc('\n', stdout);                                                                                           \
	} while (0)

#endif

#ifndef NDEBUG

struct kissat;
void
kissat_mab_check_statistics(struct kissat*);

#else

#define kissat_mab_check_statistics(...)                                                                               \
	do {                                                                                                               \
	} while (0)

#endif

#endif
